addColorStop() - Javascript Canvas Reference

Javascript examples for Canvas Reference:addColorStop

Description

The addColorStop() method adds the colors and position in a gradient color.

JavaScript syntax


gradient.addColorStop(stop, color);

Parameter Values

Parameter Description
stop A value between 0.0 and 1.0, sets the position between start and end in a gradient
color A CSS color value

Example

Define a gradient with multiple addColorStop() methods:

Demo Code

ResultView the demo in separate window

<!DOCTYPE html>
<html>
<body>

<canvas id="myCanvas" width="300" height="250" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>

<script>

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");

var grd = ctx.createLinearGradient(0, 0, 170, 0);
grd.addColorStop(0, "black");
grd.addColorStop("0.3", "magenta");
grd.addColorStop("0.5", "red");
grd.addColorStop("0.6", "green");
grd.addColorStop("0.8", "blue");
grd.addColorStop(1, "red");

ctx.fillStyle = grd;//from  ww w .ja  v a 2  s .  c om
ctx.fillRect(20, 20, 150, 100);

</script>

</body>
</html>

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